Specification: 8-24mm Combination Wrench Spanner ►Open Wrench ►Box Wrench / Back Wrench ►Tools Set ►14 pcs wrench ►Chrome Plated ►Selected Steel Features: FULLY-POLISHED: Wrenches are fully-polished and manufactured with chrome vanadium steel for added strength & durability and are corrosion resistant. 12-POINT BOX END: Allows you to securely tighten or loosen bolts. SET INCLUDES: 12 of the most popular metric combination wrench sizes. METRIC SIZES: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 21, 22,24 mm ROLL POUCH INCLUDED: Wrenches are packaged in a roll pouch for convenient storage. Packing list: 1 set Wrenches( without bag)